.tip {
  position: absolute;
  left: 50%;
  top: 100px;
  padding: 20px 100px;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, 0.3);
  color: #ffffff;
  opacity: 0;
  transition: 1s ease-in;
  font-size: 20px;
  letter-spacing: 2px;
  z-index: 10000;
}
